I. Choose the word that has underlined part pronounced differently from the others.
1. a. planet b. character c. happy d. classmate
2. a. letter b. twelve c. person d. sentence
3. a. humor b. music c. cucumber d. sun
4. a. enough b. young c. country d. mountain
5. a. sociable b. ocean c. receive d. special
1 - D
2 - C
3 - D
4 -D
5 - C
1. B (nếu gạch chữ "a")
2. C (nếu gạch chữ "e")
3. D (nếu gạch chữ "u")
4. D (nếu gạch "ou")
5. C (nếu gạch chữ "c")